4. A car salesperson notes that she sells either 1, 2, 3, 4, 5 or 6 cars per week with equal frequency. a. Find the probability she sells 3 or more cars in a given week. b. Find the average number of cars sold in a given week. c. Find the standard deviation for the number of cars sold in a given week.

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4. A car salesperson notes that she sells either 1, 2, 3, 4, 5 or 6 cars
per week with equal frequency.
a. Find the probability she sells 3 or more cars in a given week.
b. Find the average number of cars sold in a given week.
c. Find the standard deviation for the number of cars sold in a given week.
Transcribed Image Text:4. A car salesperson notes that she sells either 1, 2, 3, 4, 5 or 6 cars per week with equal frequency. a. Find the probability she sells 3 or more cars in a given week. b. Find the average number of cars sold in a given week. c. Find the standard deviation for the number of cars sold in a given week.
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